38445307 has 2 divisors, whose sum is σ = 38445308. Its totient is φ = 38445306.

The previous prime is 38445289. The next prime is 38445349. The reversal of 38445307 is 70354483.

It is a happy number.

38445307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38445307 - 2⁷ = 38445179 is a prime.

It is not a weakly prime, because it can be changed into another prime (38445707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19222653 + 19222654.

It is an arithmetic number, because the mean of its divisors is an integer number (19222654).

Almost surely, 2^38445307 is an apocalyptic number.

38445307 is a deficient number, since it is larger than the sum of its proper divisors (1).

38445307 is an equidigital number, since it uses as much as digits as its factorization.

38445307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 38445307 is about 6200.4279691002. The cubic root of 38445307 is about 337.5056994008.

The spelling of 38445307 in words is "thirty-eight million, four hundred forty-five thousand, three hundred seven".